Here's an idea: how about getting your kid an actual piano so they know what they're playing. The Roll Up Piano might be cheaper, but it's not an actual instrument. It's more like a rug that happens to play low quality music.
Roll Up Electronic Piano
Nov. 4–5, 2017 in Long Beach, CAExclusive drops, one-of-a-kind art, and
riveting panels featuring André 3000
A$AP Ferg · Don C · Lonzo Ball and more
Performances by N*E*R*D · Gucci Mane
Young Thug · M.I.A. · A-TRAK
DJ Khaled · Jaden Smith and more